20036840

素因数分解:

$2^3\times 5^1\times {\mathrm{500921}}^1$

素因数の和:500932

約数の個数: 16

約数和(自身を含む): 45082980

約数和(自身を除く): 25046140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500921, 1001842, 2003684, 2504605, 4007368, 5009210, 10018420, 20036840]

約数ペア:

[(1, 20036840), (2, 10018420), (4, 5009210), (5, 4007368), (8, 2504605), (10, 2003684), (20, 1001842), (40, 500921)]